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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py2; Check that we're not crashing while looking at the recurrence variable.3; RUN: opt -S -passes=loop-idiom %s | FileCheck %s4 5define void @tinkywinky() {6; CHECK-LABEL: @tinkywinky(7; CHECK-NEXT: entry:8; CHECK-NEXT: br i1 true, label [[EXIT:%.*]], label [[PH:%.*]]9; CHECK: ph:10; CHECK-NEXT: [[MYPHI:%.*]] = phi i32 [ 1, [[ENTRY:%.*]] ]11; CHECK-NEXT: br label [[IF_END:%.*]]12; CHECK: if.end:13; CHECK-NEXT: [[PATATINO:%.*]] = ashr i32 [[MYPHI]], undef14; CHECK-NEXT: [[TOBOOL:%.*]] = icmp eq i32 [[PATATINO]], 015; CHECK-NEXT: br i1 [[TOBOOL]], label [[EXIT_LOOPEXIT:%.*]], label [[IF_END]]16; CHECK: exit.loopexit:17; CHECK-NEXT: br label [[EXIT]]18; CHECK: exit:19; CHECK-NEXT: ret void20;21entry:22 br i1 true, label %exit, label %ph23 24ph:25 %myphi = phi i32 [ 1, %entry ]26 br label %if.end27 28if.end:29 %patatino = ashr i32 %myphi, undef30 %tobool = icmp eq i32 %patatino, 031 br i1 %tobool, label %exit, label %if.end32 33exit:34 ret void35}36